Gas pressure regulator for pipeline

Abstract

The utility model discloses a gas pressure regulator for a pipeline, which comprises a pressure regulator body, the input end of the pressure regulator body is communicated with a gas inlet pipe, the output end of the pressure regulator body is fixedly connected with an exhaust pipe, the other end of the gas inlet pipe is communicated with a sleeve, the other end of the sleeve is fixedly connected with a connecting pipe, and the inner surface of the sleeve is fixedly connected with a silica gel hose. One end of the silica gel hose is communicated with the gas inlet pipe, the other end of the silica gel hose is communicated with the connecting pipe, the outer wall of the sleeve is communicated with a plurality of fixing boxes, the inner surfaces of the fixing boxes are fixedly connected with springs, and the inner surfaces of the fixing boxes are fixedly connected with dampers. When nearby large gas equipment is suddenly opened or closed, the pressure in a pipeline fluctuates instantly, so that key parts in the pressure regulator can be effectively prevented from being impacted by excessive pressure, and the pressure regulator is prevented from being damaged by a pressure peak value.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas pipeline pressure regulator technical field, especially pipeline gas pressure regulator. BACKGROUND

[0002] The existing pipeline gas pressure regulator is mainly used for stabilizing the fluctuation of gas pressure in the pipeline caused by various factors. For example, the pressure in the pipeline may decrease during the peak period of gas consumption, and the pressure may rise during the trough period. The gas pressure regulator can automatically adjust the opening of the valve to maintain the stability of the output pressure.

[0003] However, the existing gas pressure regulator does not have a buffer structure, and when the pressure in the intake pipe suddenly changes, the pressure impact will directly act on the internal key components. These components are usually precise, and directly bearing the pressure impact can easily cause damage. The valve core of the regulating valve may be displaced under the impact, affecting the normal opening adjustment of the valve, and further causing the pressure regulating function of the entire pressure regulator to malfunction. SUMMARY

[0004] The utility model discloses a pipeline gas pressure regulator, which can preliminarily buffer when the pressure in the intake pipe suddenly changes, quickly absorb part of the pressure, reduce the intensity of the pressure impact, and then extrude the top plate with the spring and damper, thereby achieving secondary buffering, further dispersing and consuming the energy of the pressure impact, preventing the instantaneous fluctuation of the pressure in the pipeline when the nearby large gas-consuming equipment is suddenly turned on or off, effectively preventing the key components inside the pressure regulator from being subjected to excessive pressure impact, and avoiding damage to the pressure regulator caused by the pressure peak.

[0005] The utility model also provides a kind of gas pressure regulator for pipeline with above-mentioned, it include: pressure regulator body, the input end of pressure regulator body is communicated with air inlet pipe, the output end of pressure regulator body is fixedly connected with exhaust pipe, the other end of air inlet pipe is communicated with sleeve, the other end of sleeve is fixedly connected with connecting pipe, the inner surface of sleeve is fixedly connected with silica gel hose, the one end of silica gel hose is communicated with air inlet pipe, the other end of silica gel hose is communicated with connecting pipe, the outer wall of sleeve is communicated with multiple fixed boxes, the inner surface of multiple fixed boxes is all fixedly connected with spring, the inner surface of multiple fixed boxes is all fixedly connected with damper, the other end of spring, damper is fixedly connected with top plate, the shape of top plate is circular arc, top plate is communicated with silica gel hose, the rear surface of top plate is fixedly connected with slide bar, limiting hole is arranged on fixed box, slide bar is slidably connected in the inside of limiting hole, the one end of exhaust pipe, connecting pipe is all fixedly connected with sealing strip.

[0006] According to the gas pressure regulator for pipeline, the inner wall of the air inlet pipe is fixedly connected with the fixing frame, and the inner wall of the fixing frame is fixedly connected with the filter screen.

[0007] According to the gas pressure regulator for pipeline, the outer walls of the connecting pipe and the exhaust pipe are fixedly connected with the connecting flanges, and a plurality of connecting holes are arranged on the connecting flanges.

[0008] According to the gas pressure regulator for pipeline, the upper surface of the pressure regulator body is fixedly connected with the lamp holder, and the upper surface of the lamp holder is fixedly connected with the indicating lamp.

[0009] According to the gas pressure regulator for pipeline, the side surface of the pressure regulator body is fixedly connected with the support column, and the other end of the support column is fixedly connected with the connecting frame.

[0010] According to the gas pressure regulator for pipeline, the front surface of the connecting frame is fixedly connected with the fixed plate, and the fixed plate is provided with the fixed hole.

[0011] According to the gas pressure regulator for pipeline, the side surface of the pressure regulator body is fixedly connected with the support rod, the other end of the support rod is fixedly connected with the guard plate, and the pressure regulator body is located behind the guard plate.

[0012] According to the gas pressure regulator for pipeline, the side surface of the pressure regulator body is fixedly connected with the rubber protection pipe, and the exhaust pipe is located in the rubber protection pipe. Beneficial effects

[0013] Compared with the prior art, the gas pressure regulator for pipeline, when the pressure in the air inlet pipe suddenly changes during use, the silicone hose arranged will expand into the sleeve, thereby achieving preliminary buffering, can quickly absorb part of the pressure, reduce the strength of the pressure impact, and then the silicone hose will extrude the top plate, the top plate will extrude the spring and the damper, thereby achieving secondary buffering, further dispersing and consuming the energy of the pressure impact, preventing the instantaneous fluctuation of the pressure in the pipeline when the large gas equipment nearby is suddenly turned on or off, so that the key components in the pressure regulator can be effectively prevented from being subjected to excessive pressure impact and damage caused by the pressure peak. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be further explained in connection with the drawings and embodiments;

[0015] Figure 1 It is the front structure diagram of gas pressure regulator for the utility model;

[0016] Figure 2 It is the front structure diagram of gas pressure regulator for the utility model;

[0017] Figure 3 It is the front structure diagram of gas pressure regulator for the utility model;

[0018] Figure 4 It is the front structure diagram of gas pressure regulator for the utility model.

[0019] Legend:

[0020] 1, show light; 2, lamp holder; 3, exhaust pipe; 4, rubber protective tube; 5, connecting flange; 6, connecting hole; 7, fixed hole; 8, fixed plate; 9, support column; 10, connecting frame; 11, pressure regulator body; 12, air inlet pipe; 13, sleeve; 14, limiting hole; 15, slide rod; 16, sealing strip; 17, fixed box; 18, support rod; 19, guard plate; 20, top plate; 21, fixed frame; 22, filter screen; 23, silicone hose; 24, spring; 25, damper. DETAILED DESCRIPTION

[0021] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0022] Reference Figures 1-4The utility model discloses a pipeline gas pressure regulator, it includes: pressure regulator body 11 is for gas pressure regulator 11, for the existing mature technology, not in this text, the upper surface fixedly connected with the lamp holder 2 of pressure regulator body 11, the upper surface fixedly connected with the show light 1 of lamp holder 2, the side surface fixedly connected with the support 9 of pressure regulator body 11, the other end fixedly connected with the connecting frame 10 of support 9, the front surface fixedly connected with the fixed plate 8 of connecting frame 10, is provided with fixed hole 7 on fixed plate 8, the side surface fixedly connected with the support rod 18 of pressure regulator body 11, the other end fixedly connected with the guard plate 19 of support rod 18, pressure regulator body 11 is located the rear of guard plate 19, the side surface fixedly connected with the rubber protection pipe 4 of pressure regulator body 11, exhaust pipe 3 is located the inside of rubber protection pipe 4.

[0023] The input end of pressure regulator body 11 is communicated with air inlet pipe 12, for entering gas, the inner wall fixedly connected with fixed frame 21 of air inlet pipe 12, the inner wall fixedly connected with filter screen 22 of fixed frame 21, the output end fixedly connected with exhaust pipe 3 of pressure regulator body 11, for discharging gas, the other end of air inlet pipe 12 is communicated with sleeve pipe 13, for buffering gas inside, the other end fixedly connected with connecting pipe of sleeve pipe 13, the inner surface fixedly connected with silica gel hose 23 of sleeve pipe 13, for connecting air inlet pipe 12 with connecting pipe, and can preliminary buffering when gas pressure preliminary changes, one end of silica gel hose 23 is communicated with air inlet pipe 12, the other end of silica gel hose 23 is communicated with connecting pipe, the outer wall of sleeve pipe 13 is communicated with a plurality of fixed boxes 17, the inner surface of a plurality of fixed boxes 17 is all fixedly connected with spring 24.

[0024] The inner surface of a plurality of fixed boxes 17 is all fixedly connected with damper 25, for cooperating spring 23 to the vibration buffering of top plate that moves back quickly due to gas fluctuation, the other end fixedly connected with top plate 20 of spring 24, damper 25, for carrying the pressure of silica gel hose 23, to extrude spring 24 and damper 25 back, the shape of top plate 20 is circular arc, top plate 20 is communicated with silica gel hose 23, the rear surface fixedly connected with slide bar 15 of top plate 20, is provided with limit hole 14 on fixed box 17, slide bar 15 is slidably connected in the inside of limit hole 14, one end of exhaust pipe 3, connecting pipe is all fixedly connected with sealing strip 16, the outer wall of connecting pipe and exhaust pipe 3 is all fixedly connected with connecting flange 5, is provided with a plurality of connecting holes 6 on connecting flange 5.

[0025] Working principle: before using, through connecting flange 5 with connecting pipe and outside gas pipeline system of exhaust pipe 3 is connected, namely can use pressure regulator body 11, when the pressure in the air inlet pipe 12 suddenly changes, through the setting silica gel hose 23 will quickly expand to the sleeve 13, thereby realizing preliminary buffer, can quickly absorb a part of pressure, reduce the strength of pressure impact, then silica gel hose 23 will extrude the top plate 26, the top plate 26 will extrude spring 24 and damper 25, thereby realizing secondary buffer, further dispersing and consuming the energy of pressure impact.

[0026] The utility model has been described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. A gas pressure regulator for a pipeline, characterized by Include: The input end of the pressure regulator body (11) is communicated with the air inlet pipe (12), the output end of the pressure regulator body (11) is fixedly connected with the exhaust pipe (3), the other end of the air inlet pipe (12) is communicated with the sleeve pipe (13), the other end of the sleeve pipe (13) is fixedly connected with the connecting pipe, the inner surface of the sleeve pipe (13) is fixedly connected with the silica gel hose (23), one end of the silica gel hose (23) is communicated with the air inlet pipe (12), the other end of the silica gel hose (23) is communicated with the connecting pipe, the outer wall of the sleeve pipe (13) is communicated with a plurality of fixed boxes (17), the inner surface of a plurality of fixed boxes (17) is fixedly connected with a spring (24); The inner surface of a plurality of fixed boxes (17) is fixedly connected with a damper (25), the other end of the spring (24), the damper (25) is fixedly connected with the top plate (20), the shape of the top plate (20) is arc, the top plate (20) is communicated with the silica gel hose (23), the rear surface of the top plate (20) is fixedly connected with the slide bar (15), the fixed box (17) is provided with a limiting hole (14), the slide bar (15) is slidingly connected in the limiting hole (14), one end of the exhaust pipe (3), the connecting pipe is fixedly connected with the sealing strip (16).

2. A gas pressure regulator for a pipeline according to claim 1, characterized in that The inner wall of the air inlet pipe (12) is fixedly connected with a fixed frame (21), and the inner wall of the fixed frame (21) is fixedly connected with a filter screen (22).

3. A gas pressure regulator for a pipeline according to claim 1, characterized in that The outer wall of the connecting pipe and the exhaust pipe (3) is fixedly connected with a connecting flange (5), and a plurality of connecting holes (6) are formed in the connecting flange (5).

4. A gas pressure regulator for use with a pipe according to claim 1, characterized in that The upper surface of the pressure regulator body (11) is fixedly connected with a lamp holder (2), and the upper surface of the lamp holder (2) is fixedly connected with a pilot lamp (1).

5. A gas pressure regulator for use with a pipe as defined in claim 1, characterized in that The side surface of the pressure regulator body (11) is fixedly connected with a support column (9), and the other end of the support column (9) is fixedly connected with a connecting frame (10).

6. A gas pressure regulator for a pipeline according to claim 5, characterised in that The front surface of the connecting frame (10) is fixedly connected with a fixed plate (8), and the fixed plate (8) is provided with a fixed hole (7).

7. A gas pressure regulator for use with a pipe according to claim 1, characterized in that The side surface of the pressure regulator body (11) is fixedly connected with a support rod (18), and the other end of the support rod (18) is fixedly connected with a guard plate (19), and the pressure regulator body (11) is located behind the guard plate (19).

8. A gas pressure regulator for use with a pipe according to claim 1, characterized in that The side surface of the pressure regulator body (11) is fixedly connected with a rubber protective pipe (4), and the exhaust pipe (3) is located in the rubber protective pipe (4).

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